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List of 15-letter words containing

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There are 18 fifteen-letter words containing A, E, G, L, N, P and Y

ENCEPHALOGRAPHYencephalography n. (Medicine) An X-ray examination of the brain in which air replaces some of the cerebrospinal fluid to…
ENCEPHALOGRAPHY n. radiography of the brain after the cerebrospinal fluid has been replaced by a gas (as air).
EPEIROGENICALLYepeirogenically adv. By means of epeirogenesis.
EPEIROGENIC adv. relating to epeirogeny, the geological formation of continents, oceans, etc.
EXPOSTULATINGLYexpostulatingly adv. With expostulations.
EXPOSTULATING adv. EXPOSTULATE, to remonstrate; to discuss or reason with.
HYPERPOLARISINGhyperpolarising v. Present participle of hyperpolarise.
HYPERPOLARISE v. to increase the difference in electric potential across a cell membrane, also HYPERPOLARIZE.
HYPERPOLARIZINGhyperpolarizing v. Present participle of hyperpolarize.
HYPERPOLARIZE v. to produce an increase in potential difference across a biological membrane, also HYPERPOLARISE.
HYPERVIGILANCESHYPERVIGILANCE n. extreme vigilance.
INEXPUGNABILITYinexpugnability n. The quality of being inexpugnable.
INEXPUGNABILITY n. the quality of being inexpugnable.
MALACOPTERYGIANmalacopterygian n. (Archaic) (zoology) Any of the obsolete order of fish Malacopterygii.
MALACOPTERYGIAN adj. belonging to the Malacopterygii, a soft-finned suborder of bony fishes, including herrings and salmon.
PALAEOETHNOLOGYpalaeoethnology n. Alternative form of paleoethnology.
PALAEOETHNOLOGY n. the science of early man.
PALAEOLIMNOLOGYpalaeolimnology n. Alternative form of paleolimnology.
PALAEOLIMNOLOGY n. the study of ancient lakes.
PALAEONTOGRAPHYpalaeontography n. The description of fossil remains in scientific literature.
palaeontography n. The representation of forms of life represented by fossil remains.
PALAEONTOGRAPHY n. descriptive palaeontology, the description of fossil remains.
PARAGENETICALLYparagenetically adv. In terms of paragenesis.
PARAGENETIC adv. relating to paragenesis.
PHRENOLOGICALLYphrenologically adv. In terms of phrenology.
PHRENOLOGICAL adv. relating to phrenology, also PHRENOLOGIC.
POLYGENETICALLYpolygenetically adv. In a polygenetic manner.
POLYGENETIC adv. of polygenesis; springing from several sources.
PROGRESSIONALLYPROGRESSIONAL adv. relating to progression.
PSYCHOGENETICALPSYCHOGENETICAL adj. relating to psychogenesis, the origin and development of the mind, also PSYCHOGENETIC.
PSYCHOGENICALLYpsychogenically adv. In a psychogenic way.
PSYCHOGENIC adv. derived from the mind.
UNCOPYRIGHTABLEuncopyrightable adj. (Copyright law) Ineligible for copyright.
uncopyrightable n. That for which no one can obtain copyright.
UNCOPYRIGHTABLE adj. not copyrightable.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 180 words
  • Scrabble in French: 5 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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